Finding the Fourth Proportional to 104,773.69, 144,590.81 and 64,510.67

Step by Step Solution

1. Step 1: Write the proportion equation
   104,773.69 : 144,590.81 = 64,510.67 : x
2. Step 2: Convert to fraction form
   104,773.69/144,590.81 = 64,510.67/x
3. Step 3: Cross multiply
   104,773.69x = 144,590.81 × 64,510.67
4. Step 4: Simplify right side
   104,773.69x = 9,327,649,706.39
5. Step 5: Solve for x
   x = 9,327,649,706.39/104,773.69
6. Step 6: Final answer
   x = 89,026.65